# Enabling certificate storage
Enable certificate storage

 You can enable certificate storage on hsm2m.medium clusters using the PKCS \$111 library configuration tool. This feature is available in SDK versions 5.13 and later. For a list of operations that support the certificate object type, see [Certificate storage API operations](pkcs11-certificate-storage-api.md). 

 To enable certificate storage, follow these steps for your operating system: 

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#### [ Linux ]
+ 

****Enable certificate storage****  
Run the following command:

  ```
  $ sudo /opt/cloudhsm/bin/configure-pkcs11 --enable-certificate-storage
  ```

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#### [ Windows ]
+ 

****Enable certificate storage****  
Open a command prompt and run the following command:

  ```
  PS C:\> & "C:\Program Files\Amazon\CloudHSM\bin\configure-pkcs11.exe" --enable-certificate-storage
  ```

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